Multiplex communication system



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MULTIPLEX coMMUNicATIoN SYSTEM Filed Sept. 6. 1952 21 Sheets-Sheet 8INvf-:N'roas HARO/.D R 2V/Em g' JMESH. KRL/MHANSL Sw/TcH/Ne VBVAVEFORMGENERATQR w35 BYWM Feb. 3, 1959 Filed Sept. 6, 1952 H. P. FIELD ET ALMULTIPLEX COMMUNICATION SYSTEM 2l Sheets-Sheet 9 HAROLD E cf'LD lTA/vias A. ICRUMHQ/usl.'

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